Home / 11,006.48-16,480.55-6,617.90

Finding the Fourth Proportional to 11,006.48, 16,480.55 and 6,617.90

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Solution

The fourth proportional to 11,006.48, 16,480.55 and 6,617.90 is: 9,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.48 : 16,480.55 = 6,617.90 : x
  2. Step 2: Convert to fraction form
    11,006.48/16,480.55 = 6,617.90/x
  3. Step 3: Cross multiply
    11,006.48x = 16,480.55 × 6,617.90
  4. Step 4: Simplify right side
    11,006.48x = 109,066,516.35
  5. Step 5: Solve for x
    x = 109,066,516.35/11,006.48
  6. Step 6: Final answer
    x = 9,909.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.